/*
 * This file is part of the Try! Engine project.
 *
 * Copyright 2010-2011 Emanuele Bertoldi. All rights reserved.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 *
 * You should have received a copy of the modified BSD License along with this
 * program. If not, see <http://www.opensource.org/licenses/bsd-license.php>
 */

#ifndef TRY_AUDIOLISTENER_H
#define TRY_AUDIOLISTENER_H

#include "audio.h"

namespace Try
{
    class AudioListener : public Property
    {
    public:
        static PropertyName name;

        struct Msg
        {
            static MessageName dopplerFactorChanged;
            static MessageName dopplerVelocityChanged;
            static MessageName gainChanged;
            static MessageName updated;
        };

    public:
        AudioListener(
            Object* owner,
            const Vector3& pos = Vector3::Zero,
            const Vector3& dir = Vector3::Zero,
            const Vector3& vel = Vector3::Zero,
            float gain = 1.0f,
            float doppler_factor = 1.0f,
            float doppler_velocity = 343.0f
            );
        virtual ~AudioListener();

        float dopplerFactor() const;
        float dopplerVelocity() const;
        float gain() const;

        Vector3 position() const;
        Vector3 direction() const;
        Vector3 velocity() const;

        bool setDopplerFactor(float factor);
        bool setDopplerVelocity(float velocity);
        bool setGain(float gain);

        bool setPosition(const Vector3& pos);
        bool setDirection(const Vector3& dir);
        bool setVelocity(const Vector3& vel);

        Property* copy(Object* owner) const;

    protected:
        void notifyUpdate();
    };
}

#endif // TRY_AUDIOLISTENER_H
